111322319 has 2 divisors, whose sum is σ = 111322320. Its totient is φ = 111322318.

The previous prime is 111322303. The next prime is 111322361. The reversal of 111322319 is 913223111.

It is a weak prime.

It is an emirp because it is prime and its reverse (913223111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 111322319 - 2⁴ = 111322303 is a prime.

It is a super-2 number, since 2×111322319² = 24785317415075522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111322294 and 111322303.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111322219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55661159 + 55661160.

It is an arithmetic number, because the mean of its divisors is an integer number (55661160).

Almost surely, 2^111322319 is an apocalyptic number.

111322319 is a deficient number, since it is larger than the sum of its proper divisors (1).

111322319 is an equidigital number, since it uses as much as digits as its factorization.

111322319 is an evil number, because the sum of its binary digits is even.

The product of its digits is 324, while the sum is 23.

The square root of 111322319 is about 10550.9392472898. The cubic root of 111322319 is about 481.0542784488.

It can be divided in two parts, 1113 and 22319, that added together give a palindrome (23432).

The spelling of 111322319 in words is "one hundred eleven million, three hundred twenty-two thousand, three hundred nineteen".